Home / 31,333.42-43,242.32-17,906.66

Finding the Fourth Proportional to 31,333.42, 43,242.32 and 17,906.66

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Solution

The fourth proportional to 31,333.42, 43,242.32 and 17,906.66 is: 24,712.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,333.42 : 43,242.32 = 17,906.66 : x
  2. Step 2: Convert to fraction form
    31,333.42/43,242.32 = 17,906.66/x
  3. Step 3: Cross multiply
    31,333.42x = 43,242.32 × 17,906.66
  4. Step 4: Simplify right side
    31,333.42x = 774,325,521.85
  5. Step 5: Solve for x
    x = 774,325,521.85/31,333.42
  6. Step 6: Final answer
    x = 24,712.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.